Place the dried mushrooms in one cup of water for more than half an hour until they soften. Save remaining liquid, as it will be used as dressing.,______,Slice lotus root thinly. Cut mushrooms into half, then slice thinly. Cut carrot and burdock into 1-inch length thin slice.,Saute Lotus root, mushrooms, Carrot and Burdock, then add remaining liquid from shiitake mushroom, sugar, sake and soy sauce. Cook on medium heat until vegetables are soft.,When rice is cooked, add sushi vinegar and mix well. Add cooked vegetables and mix together. Serve on a rice bowl or a plate. Top with snow peas, edamame, or nori as you like.